[volt-nuts] External Freq Reference Mod for 3458A?

Tom Knox actast at hotmail.com
Fri Jun 5 13:01:34 EDT 2015

Does any of the Volt-Nuts brain trust have any experience adding an external Frequency Reference on the 3458A.
There is a 20MHz reference on the A/D board but externally clocking it has affected linearity collecting data off a 10VDC reference that looks a little like a hanging bridge I have seen before between GPS and oscillator sync. Is there another clock?  Thanks for any thoughts.

Thomas Knox


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